Most restaurants lose thousands yearly because they don't standardize portions. One cook serves 200 grams of protein, another serves 280 grams – that's pure profit walking out the door. Setting precise portion standards transforms chaotic food costs into predictable, manageable numbers.
Why portion standards are crucial
Here's the reality: one chef gives 200 grams of steak, another gives 250 grams. That's €3 per portion vanishing into thin air. With 100 portions weekly, you're bleeding €15,600 annually on just one dish.
⚠️ Note:
Without portion standards, cost calculations become meaningless. You calculate with 200 grams but serve 250 grams. Your food cost will never align with reality.
The foundation: main ingredient first
Focus on your primary ingredient per dish. This typically drives 60-80% of your total costs. Consider:
- Protein: steak, chicken, fish (measured in grams)
- Pasta: spaghetti, penne (dry weight in grams)
- Grains: basmati, risotto rice (dry weight in grams)
- Vegetables: for plant-based dishes (measured in grams)
💡 Example:
Steak dinner breakdown:
- Steak: 220 grams (raw weight)
- Fries: 250 grams (pre-frying weight)
- Side salad: 30 grams
- Sauce: 40 ml
Primary components now locked in
Garnishes and accompaniments
Small elements seem trivial but accumulate rapidly. One of the most common blind spots in kitchen management is underestimating these micro-costs:
- Plate butter: 10-15 grams
- Vegetable oil: 10-15 ml
- Fresh herbs: parsley, thyme (5-10 grams fresh)
- Bread service: specific slice count or weight
- Garnish elements: tomato, cucumber (precise amounts)
💡 Garnish breakdown:
Standard salad additions:
- House dressing: 25 ml
- Croutons: 15 grams
- Grated parmesan: 10 grams
- Cherry tomatoes: 40 grams (roughly 4 pieces)
Appears minimal, but totals €1.20 per serving.
Factor in waste and shrinkage
Raw ingredients don't translate directly to finished portions. Account for inevitable losses:
- Trimming waste: whole fish 40-50%, meat 15-20%
- Cooking shrinkage: meat loses 20-25% during cooking
- Prep waste: potatoes lose 15-20% when peeled
- Trimming loss: outer lettuce leaves, vegetable ends
💡 Waste calculation example:
Achieving 200 grams cooked steak:
- Target cooked weight: 200 grams
- Expected cooking loss: 25%
- Required raw weight: 200 ÷ 0.75 = 267 grams
Purchase standard: 267 grams raw meat per portion
Test and refine standards
Portion standards require real-world validation. Put them through practical testing:
- Have three different cooks prepare identical dishes
- Weigh and compare final results
- Monitor guest satisfaction with portion sizes
- Adjust when food costs exceed targets
⚠️ Note:
Undersized portions generate complaints. Oversized portions destroy profitability. Find the sweet spot through systematic testing.
Documentation and team communication
Consolidate all standards in one accessible location. Avoid scattered notebooks – use a centralized system everyone can reference. Ensure:
- Every cook accesses current standards
- Updates reach the entire team instantly
- New hires learn standards efficiently
- You can quickly verify any standard
Tools like KitchenNmbrs centralize portion standards and link them directly to cost calculations.
How do you set portion standards? (step by step)
Inventory all ingredients per dish
Make a list of every ingredient that goes on the plate: main ingredient, vegetables, sauces, garnishes, oil, butter. Don't forget anything, even the parsley counts.
Determine weights and volumes
Weigh and measure everything: meat in grams, liquids in milliliters. Account for trimming and cooking loss in your purchase amounts.
Test and document
Have different cooks make the dish according to your standards. Check consistency and guest satisfaction. Record everything in one system.
✨ Pro tip
Focus on your top 8 revenue-generating dishes first and establish their standards within 2 weeks. Once these core items are locked in, you'll control roughly 75% of your food cost variability.
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In the KitchenNmbrs app you can do this in just a few clicks. 7 days free, no credit card.
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Frequently asked questions
How often should I adjust portion standards?
Review standards every 3-6 months or when suppliers change significantly. If your actual food cost consistently deviates from calculations, your standards need updating.
What if my cooks don't follow the standards?
Establish clear expectations and monitor compliance regularly. Explain the business impact: consistency creates better guest experiences and protects profitability. Consider spot-checking dishes during service.
Should I use raw or cooked weights for standards?
Always standardize using purchase weight – raw weight for proteins, dry weight for pasta and grains. This method connects directly to your ingredient costs and purchasing decisions.
📚 Sources consulted
- EU Verordening 852/2004 — Levensmiddelenhygiëne (2004) — Official source
- EU Verordening 853/2004 — Hygiënevoorschriften voor levensmiddelen van dierlijke oorsprong (2004) — Official source
- EU Verordening 1169/2011 — Voedselinformatie aan consumenten (2011) — Official source
- NVWA — Hygiënecode voor de horeca (2024) — Official source
- NVWA — Allergenen in voedsel (2024) — Official source
- Codex Alimentarius — International Food Standards (2024) — Official source
- FSA — Safer food, better business (HACCP) (2024) — Official source
- BVL — Lebensmittelhygiene (HACCP) (2024) — Official source
- Warenwetbesluit Bereiding en behandeling van levensmiddelen (2024) — Official source
- WHO — Foodborne diseases estimates (2024) — Official source
Food Standards Agency (FSA) — https://www.food.gov.uk
The HACCP standards shown in this application are for informational purposes only. KitchenNmbrs does not guarantee that displayed values are current or complete. Always consult the FSA or your local authority for the latest regulations.
Written by
Jeffrey Smit
Founder & CEO of KitchenNmbrs
Jeffrey Smit built KitchenNmbrs from 8 years of hands-on experience as kitchen manager at 1NUL8 Group in Rotterdam. His mission: give every restaurant owner control over food cost.
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